CN104197093B - Blowout-preventing rain-proof cap - Google Patents
Blowout-preventing rain-proof cap Download PDFInfo
- Publication number
- CN104197093B CN104197093B CN201410402001.9A CN201410402001A CN104197093B CN 104197093 B CN104197093 B CN 104197093B CN 201410402001 A CN201410402001 A CN 201410402001A CN 104197093 B CN104197093 B CN 104197093B
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- CN
- China
- Prior art keywords
- cylinder
- movable cylinder
- ejection
- blowout prevention
- prevention pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002265 prevention Effects 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 241000406668 Loxodonta cyclotis Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
The invention provides a blowout-preventing rain cap which is arranged on a safety valve of an outdoor pressure container and comprises an umbrella cap, a movable barrel connected with the umbrella cap through a support frame and a fixed barrel sleeved on the movable barrel, wherein a blowout-preventing pin is arranged on the upper part of the barrel wall of the fixed barrel, an opening matched with the blowout-preventing pin is arranged on the movable barrel, and the blowout-preventing pin can pass through the opening when the movable barrel is installed in the fixed barrel. The blowout-preventing rain cap provided by the invention can prevent rain and snow from rusting or freezing, avoids the safety valve from being influenced by external weather, and can be taken away by a medium rushed out by high pressure when the safety valve is automatically decompressed.
Description
Technical field
The present invention relates to pressure outside container guard technology field, keep off the rain cap particularly to a kind of anti-ejection.
Background technology
Pressure outside container is each elephant of China, industrial and mining establishment's common device, for ensureing that it is transported safely
OK, it is respectively arranged with relief valve outside pressure vessel, it is therefore intended that when production problem or pressure superelevation occur
Can releasing pressure automatically.But the pressure vessel relief valve being positioned at outdoor can not be beaten in time because there is high pressure
The accident opened is of common occurrence, and analysis occurs that pressure vessel relief valve is not opened and causes the main of pressure accident of spraining
Reason includes:
1. the pressure vessel used by each elephant of current China, industrial and mining establishment is respectively arranged with relief valve to ensure
Its safety in production, overwhelming majority pressure vessels are installed in outdoor exposure place, and the extraction of relief valve
Pipe direction be all first horizontal direction then up, this is when vile weather, and sleet easily enters, and makes peace
Full corrosion or congeal between valve core and valve seat, as produced after pressure goes beyond the limit of pressure, relief valve is not
Can open in time, cause safety in production hidden danger.
2., due to pressure superelevation when relief valve is opened, the facility that keeps off the rain outside relief valve rushes at high-pressure medium
When hitting, being gone out together, after pressure is normal, as found not in time, relief valve can be at outdoor location
Continue to expose, cause corrosion or congeal, causing potential safety hazard.
Summary of the invention
The technical problem to be solved is to provide one and can prevent pressure outside vessel safety valve from becoming rusty
Erosion or the anti-ejection congealed are kept off the rain cap.
For solving above-mentioned technical problem, the invention provides a kind of anti-ejection and keep off the rain cap, be disposed in the outdoor
On the relief valve of pressure vessel, the movable cylinder including umbrella crown, being connected with umbrella crown by bracing frame and set
Fixing cylinder on movable cylinder, the barrel upper end of described fixing cylinder is provided with blowout prevention pin, described blowout prevention pin
Being stuck in the top edge of described movable cylinder for blocking movable cylinder, described movable cylinder sidewall is provided with one and opens
Mouthful, described opening can make described blowout prevention pin pass through when described movable wound packages enters in described fixing cylinder.
Further, straight than the blowout prevention pin on described fixing cylinder of the A/F of described movable cylinder sidewall
The big 5-8mm in footpath.
Further, the external diameter of described movable cylinder is than the big 2-3mm of internal diameter of described fixing cylinder.
Further, described movable cylinder is the steel circle body of toughness.
Further, the length of described movable cylinder is than the short 20-25mm of length of described fixing cylinder.
Further, described umbrella crown welds the vertex of a cone made after being the steel plate circle of contact.
Further, support frame as described above is two blocks of rectangular steel plates, and the lower end of described steel plate is welded respectively
Being connected on described movable cylinder nozzle both sides, the upper end of described steel plate is fixed on below described umbrella crown.
Further, described blowout prevention pin is the rivet being riveted on described fixing cylinder.
The anti-ejection of one that the present invention provides is kept off the rain cap, is disposed in the outdoor on the relief valve of pressure vessel,
Its umbrella crown is possible to prevent sleet and foreign material in inclement weather enter the blow-down pipe internal corrosion of relief valve or freeze
The spool of solidifying relief valve, it is to avoid cause production because pressure outside vessel safety valve can not open in time
The possibility of accident.It addition, when relief valve is opened because of hypertonia, the medium of ejection is due to umbrella crown
Barrier effect, it is possible to change direction in time, can reduce the scope of pollution, bring environmental conservation necessarily
Effect.And the anti-ejection of one that the present invention provides is kept off the rain cap, movable cylinder by blowout prevention pin card fixing
In cylinder, when relief valve pressure release media impingement, it is possible to prevent fixing, with movable cylinder, the umbrella crown being connected and be situated between
Matter is taken away together.
Accompanying drawing explanation
Fig. 1 keeps off the rain for the anti-ejection that the embodiment of the present invention provides the structural representation of cap.
Fig. 2 keeps off the rain for the anti-ejection that the embodiment of the present invention provides the movable barrel structure schematic diagram of cap.
Fig. 3 keeps off the rain for the anti-ejection that the embodiment of the present invention provides the fixing barrel structure schematic diagram of cap.
Fig. 4 enters the structure of fixing cylinder for the keep off the rain movable wound packages of cap of the anti-ejection that the embodiment of the present invention provides
Schematic diagram.
Detailed description of the invention
Seeing Fig. 1, the anti-ejection of one that the embodiment of the present invention provides is kept off the rain cap, including umbrella crown 1, passes through
Movable cylinder 3 that bracing frame 2 is connected with umbrella crown 1 and be enclosed within the fixing cylinder 5 on movable cylinder 3.See figure
2, the sidewall of movable cylinder 3 is provided with an opening 4, and bracing frame 2 is two blocks of rectangular steel plates,
The lower end of the steel plate of support 2 is respectively welded at the nozzle both sides of movable cylinder 3, the steel plate of bracing frame 2
Upper end is fixed on below umbrella crown 1, and umbrella crown 1 is to weld the vertex of a cone made after the steel plate circle of contact.See Fig. 3,
The barrel upper end of fixing cylinder 5 is provided with blowout prevention pin 6, as one embodiment of the present invention, blowout prevention
Pin 6 is the rivet being riveted on fixing cylinder 5.The width ratio of the opening 4 of movable cylinder 3 sidewall fixes cylinder
The big 5-8mm of diameter of the blowout prevention pin 6 on 5, when activity cylinder 3 is loaded in fixing cylinder 5, opening
4 can make blowout prevention pin 6 pass through, and after movable cylinder 3 loads in fixing cylinder 5, rotary moveable
Cylinder 3 makes blowout prevention pin 6 be stuck in the top edge of movable cylinder 3 to prevent movable cylinder 3 from taking off for blocking movable cylinder 3
Go out.
Wherein, movable cylinder 3 is toughness preferable steel circle body, and the external diameter ratio of movable cylinder 3 is fixing
The big 2-3mm of internal diameter of cylinder 5, during installation activity cylinder 3, makes movable cylinder 3 side by Compressive activities cylinder 3
The width of the opening 4 of wall diminishes, and the external diameter of movable cylinder 3 can be varied down to less than fixing cylinder 5 internal diameter, from
And movable cylinder 3 can be made to load in fixing cylinder 5.
Wherein, the length of movable cylinder 3 is than the short 20-25mm of length of fixing cylinder 5.
The present invention provide anti-ejection keep off the rain cap use install time, fixing cylinder 5 close to apical position use
Drill bit punches, and is then riveted in hole with rivet, becomes blowout prevention pin 6.Corrosion resistant plate with 2mm thickness
Curve the circular cylinder that an external diameter is more slightly larger than fixing cylinder 5 internal diameter, and leave opening 4 at circular cylinder sidewall,
Then by integrally welded to umbrella crown 1, bracing frame 2 and movable cylinder 3.See Fig. 4, installation activity cylinder 3
Time, first by the opening 4 on movable cylinder 3 just to blowout prevention pin 6 position on fixing cylinder 5, firmly extruding
Movable cylinder 3, the width of movable cylinder 3 sidewall opening 4 can stress diminish, and causes the external diameter of movable cylinder 3
It is varied down to less than fixing cylinder 5 internal diameter, it is thus possible to activity cylinder 3 is inserted in fixing cylinder 5.When fixing cylinder
After the upper end-face edge of the blowout prevention pin 6 arrival activity cylinder 3 of 5 upper ends, fixing cylinder 3 is rotated to an angle
Make blowout prevention pin 6 avoid opening 4 and be stuck in the top edge of movable cylinder 3 for blocking movable cylinder 3.Due to work
The external diameter of dynamic cylinder 3 is more slightly larger than the internal diameter of fixing cylinder 5, and the elastic work of the stainless steel of movable cylinder 3
With, after movable cylinder is installed in fixing cylinder 5, movable cylinder 3 leans on the expansion tension of self and fixing cylinder 5
Inwall is in close contact, from but together with movable cylinder 3 is tightly secured in fixing cylinder 5.
The anti-ejection that the present invention provides is kept off the rain after cap is arranged on the relief valve of pressure outside container, works as chance
During to sleety weather, umbrella crown can stop that sleet prevents sleet and other foreign material from entering the emptying of relief valve
Tube inner corrosion or congeal the spool of relief valve, it is to avoid the relief valve of pressure outside container is automatic at needs
During pressure release, because corrosion or congeal can not be opened in time and cause the possibility of production accident.Further, due to
Movable cylinder is because being lived by the blowout prevention pin card on fixing cylinder, when relief valve releasing pressure automatically, can prevent with movable
The medium that the umbrella crown that cylinder connects is gone out by high pressure is taken away together.Simultaneously as the barrier effect of umbrella crown,
The medium of ejection can change direction in time, can reduce the scope of pollution, bring environmental conservation necessarily
Effect.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme
And unrestricted, although the present invention being described in detail with reference to example, the ordinary skill people of this area
Member should be appreciated that and can modify technical scheme or equivalent, without deviating from
The spirit and scope of technical solution of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (6)
1. anti-ejection is kept off the rain a cap, is disposed in the outdoor on the relief valve of pressure vessel, it is characterised in that:
The movable cylinder that including umbrella crown, is connected with umbrella crown by bracing frame and be enclosed within the fixing cylinder on movable cylinder,
The barrel upper end of described fixing cylinder is provided with blowout prevention pin, and described blowout prevention pin card is in the top of described movable cylinder
Edge is used for blocking movable cylinder, and described movable cylinder sidewall is provided with an opening, and described opening is in described work
Dynamic wound packages can make described blowout prevention pin pass through when entering in described fixing cylinder, and the external diameter ratio of described movable cylinder is described
The big 2-3mm of internal diameter of fixing cylinder, and the steel circle body that described movable cylinder is toughness, by extruding
Make described movable cylinder external diameter diminish, at described blowout prevention pin, described movable cylinder is inserted by described opening
In described fixing cylinder, rotate described movable cylinder and make described blowout prevention pin card at the top edge gear of described movable cylinder
Movable cylinder is stated in residence, and described movable cylinder is tight with described fixing cylinder inwall by the elastic expansion tension force of self
Contact, makes together with described movable cylinder is tightly secured in described fixing cylinder.
Anti-ejection the most according to claim 1 is kept off the rain cap, it is characterised in that: described movable cylinder side
The A/F of wall is than the big 5-8mm of diameter of the blowout prevention pin on described fixing cylinder.
Anti-ejection the most according to claim 2 is kept off the rain cap, it is characterised in that: described movable cylinder
Length is than the short 20-25mm of length of described fixing cylinder.
Anti-ejection the most according to claim 1 is kept off the rain cap, it is characterised in that: described umbrella crown is steel
The vertex of a cone made is welded after the plate circle of contact.
Anti-ejection the most according to claim 4 is kept off the rain cap, it is characterised in that: support frame as described above is
Two blocks of rectangular steel plates, the lower end of described steel plate is respectively welded at described movable cylinder nozzle both sides, institute
The upper end stating steel plate is fixed on below described umbrella crown.
Anti-ejection the most according to claim 2 is kept off the rain cap, it is characterised in that: described blowout prevention pin is
It is riveted on the rivet on described fixing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402001.9A CN104197093B (en) | 2014-08-15 | Blowout-preventing rain-proof cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402001.9A CN104197093B (en) | 2014-08-15 | Blowout-preventing rain-proof cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197093A CN104197093A (en) | 2014-12-10 |
| CN104197093B true CN104197093B (en) | 2017-01-04 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005036580B4 (en) * | 2005-08-01 | 2007-05-24 | Rös, Helmut | Odor trap with removable cartridge |
| CN201561176U (en) * | 2009-09-04 | 2010-08-25 | 中芯国际集成电路制造(上海)有限公司 | Outdoor valve protection device |
| CN202392277U (en) * | 2011-09-30 | 2012-08-22 | 文信天 | Waterproof cap for air entering and exhaust port on cylinder of automatic control valve |
| CN202852318U (en) * | 2012-09-10 | 2013-04-03 | 邢台钢铁有限责任公司 | Automatic openable/closable escape pipe rain cap |
| CN203148442U (en) * | 2013-04-09 | 2013-08-21 | 中铁十局集团济南铁路工程有限公司 | Total station weatherproof hood |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005036580B4 (en) * | 2005-08-01 | 2007-05-24 | Rös, Helmut | Odor trap with removable cartridge |
| CN201561176U (en) * | 2009-09-04 | 2010-08-25 | 中芯国际集成电路制造(上海)有限公司 | Outdoor valve protection device |
| CN202392277U (en) * | 2011-09-30 | 2012-08-22 | 文信天 | Waterproof cap for air entering and exhaust port on cylinder of automatic control valve |
| CN202852318U (en) * | 2012-09-10 | 2013-04-03 | 邢台钢铁有限责任公司 | Automatic openable/closable escape pipe rain cap |
| CN203148442U (en) * | 2013-04-09 | 2013-08-21 | 中铁十局集团济南铁路工程有限公司 | Total station weatherproof hood |
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| PB01 | Publication | ||
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